CATALOGUE. 79 
Northern Mexico. Found in the Wahsatch Mountains, Utah; 5-6,000 feet 
altitude; May, June. (297.) 
Lathyeus ornatus, Nutt. Grlabrous or subvillous-pubescent, somewhat 
glaucous; stems ascending, G'-l° high, simple or branched, angular; stip- 
ules lanceolate, semi-sagittate, entire ; leaflets 4-7 pairs, long, lance- 
olate-hnear or oblong, acute, mucronate, rigid and strongly veined, tendril 
very short ; peduncles equaUng or exceeding the leaves, about 4-(3-8-) flow- 
ered ; flowers V long, bright purple ; calyx-teeth lanceolate, slightly unequal, 
shorter than the tube. — On the Upper Missouri and Platte. Found in the 
Wahsatch Mountains, near Salt Lake City; 5,000 feet altitude; May. De- 
scribed by Nuttall as glabrous, but these speciiufnis, like others from Colo 
rado, are villous-pubescent. (298.) 
EOSACE^. 
PRUNUS Andeesonii, Gray. Proc. A?ner. Acad. 7. 337. Very glabrous; 
branches thorny ; leaves fascicled, small, (4-12" long,) oblong or lanceolate- 
spatulate, attenuate into a slender petiole, obtuse or occasionally acute, deli- 
cately veined and somewhat nerved, without glands ; flowers 2-3 in the axils, 
on rather long pedicels, (2-3" ;) calyx ebracteolate, with the lobes entire and 
shorter than the turbinate tube ; petals 3" long, rose-color ; ovary and base 
of the style very hirsute ; drupe puberulcnt, somewhat fleshy, subglobose. — 
A diff'usely branched shrub, 2-3° high, the flowers appearing with the leaves, 
which are apparently convolute in aestivation; the fruit is half an inch in 
diameter, scarcely eatable, with an orbicular subcompressed stone, which is 
acutely pointed, rather sharply margined and nearly smooth. Collected by 
Dr. Anderson and Dr. Torrey near Carson City, and frequent on the foot-hills 
of the Washoe, Trinity and West Humboldt Mountains, Nevada ; 5,000 feet 
altitude; April-June. (299.) 
pRUNUS EMAEGINATA, Walp. (Cerasus, Dougl.) Leaves oval, oblong or 
oblanceolate, usually obtuse and often emarginate, nearly glabrous, bi-gland- 
ular ; corymb few-flowered ; calyx-segments ovate, obtuse, reflexed ; drupes 
globose. — C. mollis, Dougl., with somewhat tomentose-pubescent leaves and 
calyx, is referred to this species. Oregon and Northern California, and col- 
lected by Dr. Anderson near Carson City, Nevada. Found in the Washoe 
Mountains near the same locality ; a straggling bush, 4° high, without leaf or 
flower in April ; 7,000 feet altitude. (300.) 
